Structure analysis

Structure of the delta dII IRES eIF2-containing 48S initiation complex, closed conformation. Structure 12(delta dII).

Electron Microscopy
3.5Å resolution
Assembly composition:
hetero 39-mer (preferred)
Entry contents: 36 distinct polypeptide molecules
3 distinct RNA molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 39-mer
Accessible surface area: 470282.93 Å2
Buried surface area: 202794.62 Å2
Dissociation area: 1,724.08 Å2
Dissociation energy (ΔGdiss): -3.17 kcal/mol
Dissociation entropy (TΔSdiss): 12.55 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-239221

Macromolecules

Chain: A
Length: 144 amino acids
Theoretical weight: 16.49 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P47813 (Residues: 1-144; Coverage: 100%)
Gene names: EIF1A, EIF1AX, EIF4C
Pfam: Translation initiation factor 1A / IF-1
InterPro:

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Chain: C
Length: 264 amino acids
Theoretical weight: 30 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SS70 (Residues: 1-264; Coverage: 100%)
Gene name: RPS3A
Pfam: Ribosomal S3Ae family
InterPro:

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Chain: H
Length: 249 amino acids
Theoretical weight: 28.75 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: A0A5K1UJS7 (Residues: 1-249; Coverage: 100%)
Pfam: Ribosomal protein S6e
InterPro:

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Chain: I
Length: 432 amino acids
Theoretical weight: 47.36 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SVB0 (Residues: 1-194; Coverage: 100%)
Gene name: RPS7
InterPro:

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Chain: J
Length: 208 amino acids
Theoretical weight: 24.26 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TJW1 (Residues: 1-208; Coverage: 100%)
Gene name: RPS8
Pfam: Ribosomal protein S8e
InterPro:

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Chain: L
Length: 149 amino acids
Theoretical weight: 17.16 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TPV3 (Residues: 1-149; Coverage: 90%)
Pfam: Plectin/S10 domain
InterPro:

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Chain: N
Length: 132 amino acids
Theoretical weight: 14.54 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SFR8 (Residues: 1-132; Coverage: 100%)
Gene name: RPS12
Pfam: Ribosomal protein L7Ae/L30e/S12e/Gadd45 family
InterPro:

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Chain: P
Length: 168 amino acids
Theoretical weight: 18.13 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T1F0 (Residues: 1-151; Coverage: 100%)
Gene name: RPS14
Pfam: Ribosomal protein S11
InterPro:

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Chain: S
Length: 135 amino acids
Theoretical weight: 15.55 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TU13 (Residues: 1-135; Coverage: 100%)
Gene name: RPS17
Pfam: Ribosomal S17
InterPro:

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Chain: T
Length: 152 amino acids
Theoretical weight: 17.76 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TPG3 (Residues: 1-152; Coverage: 100%)
Gene name: RPS18
Pfam: Ribosomal protein S13/S18
InterPro:

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Chain: U
Length: 145 amino acids
Theoretical weight: 16.24 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TN62 (Residues: 1-145; Coverage: 100%)
Gene name: RPS19
Pfam: Ribosomal protein S19e
InterPro:

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Chain: W
Length: 83 amino acids
Theoretical weight: 9.12 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TM82 (Residues: 1-83; Coverage: 100%)
Gene name: RPS21
Pfam: Ribosomal protein S21e
InterPro:

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Chain: X
Length: 130 amino acids
Theoretical weight: 14.87 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TG89 (Residues: 1-130; Coverage: 100%)
Gene name: RPS15A
Pfam: Ribosomal protein S8
InterPro:

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Chain: Y
Length: 143 amino acids
Theoretical weight: 15.84 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1SZ47 (Residues: 1-143; Coverage: 100%)
Gene name: RPS23
Pfam: Ribosomal protein S12/S23
InterPro:

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Chain: Z
Length: 131 amino acids
Theoretical weight: 15.24 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T3D8 (Residues: 1-131; Coverage: 100%)
Gene name: RPS24
Pfam: Ribosomal protein S24e
InterPro:

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Chain: a
Length: 124 amino acids
Theoretical weight: 13.65 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TDB3 (Residues: 1-124; Coverage: 100%)
Gene name: RPS25
Pfam: S25 ribosomal protein
InterPro:

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Chain: b
Length: 101 amino acids
Theoretical weight: 11.65 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TFE8 (Residues: 2-102; Coverage: 88%)
Gene name: RPS26
Pfam: Ribosomal protein S26e
InterPro:

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Chain: c
Length: 84 amino acids
Theoretical weight: 9.48 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TZ76 (Residues: 1-84; Coverage: 100%)
Gene name: RPS27
Pfam: Ribosomal protein S27
InterPro:

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Chain: d
Length: 69 amino acids
Theoretical weight: 7.86 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1TIB4 (Residues: 1-69; Coverage: 100%)
Gene name: RPS28
Pfam: Ribosomal protein S28e
InterPro:

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Chain: f
Length: 133 amino acids
Theoretical weight: 14.5 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: G1T8A2 (Residues: 1-133; Coverage: 100%)
Gene name: FAU
Pfam:
InterPro:

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Chain: n
Length: 25 amino acids
Theoretical weight: 3.47 KDa
Source organism: Oryctolagus cuniculus
UniProt:
  • Canonical: A0A087WNH4 (Residues: 1-25; Coverage: 100%)
Gene name: RPL41
Pfam: Ribosomal protein L41
InterPro: Large ribosomal subunit protein eS32

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Name: 18S Ribosomal RNA
Representative chains: 2
Length: 1870 nucleotides
Theoretical weight: 603.1 KDa
Rfam: Eukaryotic small subunit ribosomal RNA

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Name: HCV IRES
Representative chains: z
Length: 400 nucleotides
Theoretical weight: 128.75 KDa
Rfam: Hepatitis C virus internal ribosome entry site

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Name: Met-tRNA-i-Met
Representative chains: i
Length: 75 nucleotides
Theoretical weight: 24.23 KDa
Rfam: tRNA

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